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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.ui
import java.net.ServerSocket
import scala.io.Source
import scala.util.{Failure, Success, Try}
import org.eclipse.jetty.servlet.ServletContextHandler
import org.scalatest.concurrent.Eventually._
import org.scalatest.time.SpanSugar._
import org.apache.spark.{SparkConf, SparkContext, SparkFunSuite}
import org.apache.spark.LocalSparkContext._
class UISuite extends SparkFunSuite {
/**
* Create a test SparkContext with the SparkUI enabled.
* It is safe to `get` the SparkUI directly from the SparkContext returned here.
*/
private def newSparkContext(): SparkContext = {
val conf = new SparkConf()
.setMaster("local")
.setAppName("test")
.set("spark.ui.enabled", "true")
val sc = new SparkContext(conf)
assert(sc.ui.isDefined)
sc
}
ignore("basic ui visibility") {
withSpark(newSparkContext()) { sc =>
// test if the ui is visible, and all the expected tabs are visible
eventually(timeout(10 seconds), interval(50 milliseconds)) {
val html = Source.fromURL(sc.ui.get.appUIAddress).mkString
assert(!html.contains("random data that should not be present"))
assert(html.toLowerCase.contains("stages"))
assert(html.toLowerCase.contains("storage"))
assert(html.toLowerCase.contains("environment"))
assert(html.toLowerCase.contains("executors"))
}
}
}
ignore("visibility at localhost:4040") {
withSpark(newSparkContext()) { sc =>
// test if visible from http://localhost:4040
eventually(timeout(10 seconds), interval(50 milliseconds)) {
val html = Source.fromURL("http://localhost:4040").mkString
assert(html.toLowerCase.contains("stages"))
}
}
}
test("jetty selects different port under contention") {
val server = new ServerSocket(0)
val startPort = server.getLocalPort
val serverInfo1 = JettyUtils.startJettyServer(
"0.0.0.0", startPort, Seq[ServletContextHandler](), new SparkConf)
val serverInfo2 = JettyUtils.startJettyServer(
"0.0.0.0", startPort, Seq[ServletContextHandler](), new SparkConf)
// Allow some wiggle room in case ports on the machine are under contention
val boundPort1 = serverInfo1.boundPort
val boundPort2 = serverInfo2.boundPort
assert(boundPort1 != startPort)
assert(boundPort2 != startPort)
assert(boundPort1 != boundPort2)
serverInfo1.server.stop()
serverInfo2.server.stop()
server.close()
}
test("jetty binds to port 0 correctly") {
val serverInfo = JettyUtils.startJettyServer(
"0.0.0.0", 0, Seq[ServletContextHandler](), new SparkConf)
val server = serverInfo.server
val boundPort = serverInfo.boundPort
assert(server.getState === "STARTED")
assert(boundPort != 0)
Try { new ServerSocket(boundPort) } match {
case Success(s) => fail("Port %s doesn't seem used by jetty server".format(boundPort))
case Failure(e) =>
}
}
test("verify appUIAddress contains the scheme") {
withSpark(newSparkContext()) { sc =>
val ui = sc.ui.get
val uiAddress = ui.appUIAddress
val uiHostPort = ui.appUIHostPort
assert(uiAddress.equals("http://" + uiHostPort))
}
}
test("verify appUIAddress contains the port") {
withSpark(newSparkContext()) { sc =>
val ui = sc.ui.get
val splitUIAddress = ui.appUIAddress.split(':')
val boundPort = ui.boundPort
assert(splitUIAddress(2).toInt == boundPort)
}
}
}
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